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The biological clock measures the length...

The biological clock measures the length at each night by the

A

relative amount of red-absorbing and far-red absorbing phytochrome present at dawn

B

amount of far-red absorbing phytochrome at dusk

C

relative amount of red-absorbing and far red-absorbing phytochrome at mid day

D

rate at which one kind of phytochrome is converted to the other

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A
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ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES ( TAKING IT TOGETHER )
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  3. The biological clock measures the length at each night by the

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  4. Pick up the correct match pair.

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  5. Which one of the following statements is true for the phytochromes ?

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  14. Identify the correct matches associated with plant hormones w.r.t. the...

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  15. Identify the correct matches w.r.t. to plant hormones and then bioassa...

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  19. Which of the following combination is incorrect ?

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